Search a number
-
+
10121022120121 = 111887534874587
BaseRepresentation
bin1001001101000111101111…
…1011011010000010111001
31022211120010102200221112121
42103101323323122002321
52311310323130320441
633305311113041241
72063135235366613
oct223217373320271
938746112627477
1010121022120121
113252335150110
1211756319b6221
135855400261a3
1426dc080dddb3
1512840e9e8dd1
hex9347beda0b9

10121022120121 has 8 divisors (see below), whose sum is σ = 11041175800224. Its totient is φ = 9200878566720.

The previous prime is 10121022120109. The next prime is 10121022120163. The reversal of 10121022120121 is 12102122012101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10121022120121 - 217 = 10121021989049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121022120095 and 10121022120104.

It is not an unprimeable number, because it can be changed into a prime (10121022124121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361011 + ... + 4513576.

It is an arithmetic number, because the mean of its divisors is an integer number (1380146975028).

Almost surely, 210121022120121 is an apocalyptic number.

10121022120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10121022120121 is a deficient number, since it is larger than the sum of its proper divisors (920153680103).

10121022120121 is a wasteful number, since it uses less digits than its factorization.

10121022120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063351.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10121022120121 its reverse (12102122012101), we get a palindrome (22223144132222).

The spelling of 10121022120121 in words is "ten trillion, one hundred twenty-one billion, twenty-two million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 11 188753 2076283 4874587 53620457 920092920011 10121022120121