20012211010102 has 8 divisors (see below), whose sum is σ = 31323460711536. Its totient is φ = 9571057439592.

The previous prime is 20012211010097. The next prime is 20012211010277. The reversal of 20012211010102 is 20101011221002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20012211010102² (a number of 27 digits) contains 22 as substring.

It is a congruent 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, 217524032673 + ... + 217524032764.

It is an arithmetic number, because the mean of its divisors is an integer number (3915432588942).

Almost surely, 2^{20012211010102} is an apocalyptic number.

20012211010102 is a deficient number, since it is larger than the sum of its proper divisors (11311249701434).

20012211010102 is a wasteful number, since it uses less digits than its factorization.

20012211010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435048065462.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20012211010102 its reverse (20101011221002), we get a palindrome (40113222231104).

The spelling of 20012211010102 in words is "twenty trillion, twelve billion, two hundred eleven million, ten thousand, one hundred two".