101121222211012 has 12 divisors (see below), whose sum is σ = 176970718164240. Its totient is φ = 50558159878376.

The previous prime is 101121222211003. The next prime is 101121222211039. The reversal of 101121222211012 is 210112222121101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612713962 + ... + 612878977.

It is an arithmetic number, because the mean of its divisors is an integer number (14747559847020).

Almost surely, 2^{101121222211012} is an apocalyptic number.

It is an amenable number.

101121222211012 is a deficient number, since it is larger than the sum of its proper divisors (75849495953228).

101121222211012 is a wasteful number, since it uses less digits than its factorization.

101121222211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225613570 (or 1225613568 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101121222211012 its reverse (210112222121101), we get a palindrome (311233444332113).

The spelling of 101121222211012 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred eleven thousand, twelve".