1202111101012 has 24 divisors (see below), whose sum is σ = 2265971000832. Its totient is φ = 556376805600.

The previous prime is 1202111101003. The next prime is 1202111101027. The reversal of 1202111101012 is 2101011112021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202111100983 and 1202111101001.

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, 210745939 + ... + 210751642.

It is an arithmetic number, because the mean of its divisors is an integer number (94415458368).

Almost surely, 2^{1202111101012} is an apocalyptic number.

It is an amenable number.

1202111101012 is a deficient number, since it is larger than the sum of its proper divisors (1063859899820).

1202111101012 is a wasteful number, since it uses less digits than its factorization.

1202111101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421497639 (or 421497637 counting only the distinct ones).

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

Adding to 1202111101012 its reverse (2101011112021), we get a palindrome (3303122213033).

The spelling of 1202111101012 in words is "one trillion, two hundred two billion, one hundred eleven million, one hundred one thousand, twelve".