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10121210122100 = 225271117313796581
BaseRepresentation
bin1001001101001000011100…
…1000100100111101110100
31022211120121112110102202212
42103102013020210331310
52311311214242401400
633305341510352552
72063143010363420
oct223220710447564
938746545412685
1010121210122100
113252421288850
12117568495b758
1358556cc6c36c
1426dc2507bb80
15128421283335
hex93487224f74

10121210122100 has 576 divisors, whose sum is σ = 30011999109120. Its totient is φ = 2865300480000.

The previous prime is 10121210122063. The next prime is 10121210122123. The reversal of 10121210122100 is 122101212101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1537940810 + ... + 1537947390.

It is an arithmetic number, because the mean of its divisors is an integer number (52104165120).

Almost surely, 210121210122100 is an apocalyptic number.

10121210122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10121210122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15005999554560).

10121210122100 is an abundant number, since it is smaller than the sum of its proper divisors (19890788987020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121210122100 is a wasteful number, since it uses less digits than its factorization.

10121210122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040 (or 7033 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10121210122100 its reverse (122101212101), we get a palindrome (10243311334201).

The spelling of 10121210122100 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, one hundred".