1211010102112 has 48 divisors (see below), whose sum is σ = 2387533098384. Its totient is φ = 604652992000.

The previous prime is 1211010102089. The next prime is 1211010102149. The reversal of 1211010102112 is 2112010101121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1211010102092 and 1211010102101.

It is a congruent number.

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, 107534562 + ... + 107545822.

It is an arithmetic number, because the mean of its divisors is an integer number (49740272883).

Almost surely, 2^{1211010102112} is an apocalyptic number.

It is an amenable number.

1211010102112 is a deficient number, since it is larger than the sum of its proper divisors (1176522996272).

1211010102112 is a wasteful number, since it uses less digits than its factorization.

1211010102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15703 (or 15695 counting only the distinct ones).

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

Adding to 1211010102112 its reverse (2112010101121), we get a palindrome (3323020203233).

Subtracting 1211010102112 from its reverse (2112010101121), we obtain a palindrome (900999999009).

The spelling of 1211010102112 in words is "one trillion, two hundred eleven billion, ten million, one hundred two thousand, one hundred twelve".