1401111220210 has 16 divisors (see below), whose sum is σ = 2716000211736. Its totient is φ = 517333373568.

The previous prime is 1401111220199. The next prime is 1401111220231. The reversal of 1401111220210 is 120221111041.

It can be written as a sum of positive squares in 4 ways, for example, as 687561031249 + 713550188961 = 829193^2 + 844719^2 .

It is a super-2 number, since 2×1401111220210² (a number of 25 digits) 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, 5388889179 + ... + 5388889438.

Almost surely, 2^{1401111220210} is an apocalyptic number.

1401111220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401111220210 is a deficient number, since it is larger than the sum of its proper divisors (1314888991526).

1401111220210 is a wasteful number, since it uses less digits than its factorization.

1401111220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10777778637.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1401111220210 its reverse (120221111041), we get a palindrome (1521332331251).

The spelling of 1401111220210 in words is "one trillion, four hundred one billion, one hundred eleven million, two hundred twenty thousand, two hundred ten".