1012121001122 has 32 divisors (see below), whose sum is σ = 1892898478080. Its totient is φ = 394311865680.

The previous prime is 1012121001121. The next prime is 1012121001149. The reversal of 1012121001122 is 2211001212101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1012121001097 and 1012121001106.

It is not an unprimeable number, because it can be changed into a prime (1012121001121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2902553 + ... + 3232499.

It is an arithmetic number, because the mean of its divisors is an integer number (59153077440).

Almost surely, 2^{1012121001122} is an apocalyptic number.

1012121001122 is a deficient number, since it is larger than the sum of its proper divisors (880777476958).

1012121001122 is a wasteful number, since it uses less digits than its factorization.

1012121001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349886.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012121001122 its reverse (2211001212101), we get a palindrome (3223122213223).

The spelling of 1012121001122 in words is "one trillion, twelve billion, one hundred twenty-one million, one thousand, one hundred twenty-two".