10101011111012 has 24 divisors (see below), whose sum is σ = 17709211071552. Its totient is φ = 5041238004000.

The previous prime is 10101011110999. The next prime is 10101011111021. The reversal of 10101011111012 is 21011111010101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10101011110984 and 10101011111002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28012262 + ... + 28370562.

It is an arithmetic number, because the mean of its divisors is an integer number (737883794648).

Almost surely, 2^{10101011111012} is an apocalyptic number.

It is an amenable number.

10101011111012 is a deficient number, since it is larger than the sum of its proper divisors (7608199960540).

10101011111012 is a wasteful number, since it uses less digits than its factorization.

10101011111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371219 (or 371217 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 10101011111012 its reverse (21011111010101), we get a palindrome (31112122121113).

The spelling of 10101011111012 in words is "ten trillion, one hundred one billion, eleven million, one hundred eleven thousand, twelve".