1211112200102 has 32 divisors (see below), whose sum is σ = 2104721777664. Its totient is φ = 511954812000.

The previous prime is 1211112200093. The next prime is 1211112200149. The reversal of 1211112200102 is 2010022111121.

It is a super-2 number, since 2×1211112200102² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

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, 1256474 + ... + 2000237.

It is an arithmetic number, because the mean of its divisors is an integer number (65772555552).

Almost surely, 2^{1211112200102} is an apocalyptic number.

1211112200102 is a deficient number, since it is larger than the sum of its proper divisors (893609577562).

1211112200102 is a wasteful number, since it uses less digits than its factorization.

1211112200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257084.

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

Adding to 1211112200102 its reverse (2010022111121), we get a palindrome (3221134311223).

The spelling of 1211112200102 in words is "one trillion, two hundred eleven billion, one hundred twelve million, two hundred thousand, one hundred two".