1211002106 has 16 divisors (see below), whose sum is σ = 1942035264. Its totient is φ = 564348864.

The previous prime is 1211002043. The next prime is 1211002159. The reversal of 1211002106 is 6012001121.

It is a super-2 number, since 2×1211002106² = 2933052201472870472, which contains 22 as substring.

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, 169400 + ... + 176403.

It is an arithmetic number, because the mean of its divisors is an integer number (121377204).

Almost surely, 2^1211002106 is an apocalyptic number.

1211002106 is a deficient number, since it is larger than the sum of its proper divisors (731033158).

1211002106 is a wasteful number, since it uses less digits than its factorization.

1211002106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345925.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1211002106 is about 34799.4555417179. The cubic root of 1211002106 is about 1065.8963281546.

Adding to 1211002106 its reverse (6012001121), we get a palindrome (7223003227).

The spelling of 1211002106 in words is "one billion, two hundred eleven million, two thousand, one hundred six".