10100010101210 has 16 divisors (see below), whose sum is σ = 18295814479176. Its totient is φ = 4014271530048.

The previous prime is 10100010101189. The next prime is 10100010101231. The reversal of 10100010101210 is 1210101000101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10100010101189) and next prime (10100010101231).

It can be written as a sum of positive squares in 4 ways, for example, as 8186825955169 + 1913184146041 = 2861263^2 + 1383179^2 .

It is a Curzon number.

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, 3216562157 + ... + 3216565296.

Almost surely, 2^{10100010101210} is an apocalyptic number.

10100010101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10100010101210 is a deficient number, since it is larger than the sum of its proper divisors (8195804377966).

10100010101210 is a wasteful number, since it uses less digits than its factorization.

10100010101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433127617.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10100010101210 its reverse (1210101000101), we get a palindrome (11310111101311).

The spelling of 10100010101210 in words is "ten trillion, one hundred billion, ten million, one hundred one thousand, two hundred ten".