1000101211122 has 32 divisors (see below), whose sum is σ = 2171025303552. Its totient is φ = 305300427264.

The previous prime is 1000101211117. The next prime is 1000101211133. The reversal of 1000101211122 is 2211121010001.

It is a junction number, because it is equal to n+sod(n) for n = 1000101211098 and 1000101211107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50469663 + ... + 50489474.

It is an arithmetic number, because the mean of its divisors is an integer number (67844540736).

Almost surely, 2^{1000101211122} is an apocalyptic number.

1000101211122 is an abundant number, since it is smaller than the sum of its proper divisors (1170924092430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000101211122 is a wasteful number, since it uses less digits than its factorization.

1000101211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100959282.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1000101211122 its reverse (2211121010001), we get a palindrome (3211222221123).

The spelling of 1000101211122 in words is "one trillion, one hundred one million, two hundred eleven thousand, one hundred twenty-two".