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10101010221112 = 231262626277639
BaseRepresentation
bin1001001011111101001100…
…1000000100100000111000
31022202122110202210010220211
42102333103020010200320
52310443332104033422
633252201240400504
72061526310143666
oct222772310044070
938678422703824
1010101010221112
1132448a5a341a8
121171787a76134
135836a1043525
1426cc6a3dbc36
15127b3cbcc577
hex92fd3204838

10101010221112 has 8 divisors (see below), whose sum is σ = 18939394164600. Its totient is φ = 5050505110552.

The previous prime is 10101010221041. The next prime is 10101010221131. The reversal of 10101010221112 is 21112201010101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 10101010221092 and 10101010221101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631313138812 + ... + 631313138827.

It is an arithmetic number, because the mean of its divisors is an integer number (2367424270575).

Almost surely, 210101010221112 is an apocalyptic number.

It is an amenable number.

10101010221112 is a deficient number, since it is larger than the sum of its proper divisors (8838383943488).

10101010221112 is a wasteful number, since it uses less digits than its factorization.

10101010221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262626277645 (or 1262626277641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101010221112 its reverse (21112201010101), we get a palindrome (31213211231213).

The spelling of 10101010221112 in words is "ten trillion, one hundred one billion, ten million, two hundred twenty-one thousand, one hundred twelve".